Hiking backpack suitable for unisex colour grey style sporty capacity 38 litres weight 17 kg height 70 cm width 30 cm depth 31 cm features raincover hydration compatible emergency whistle chest strap hip strap padded back internal pockets valuables pocket outside pockets lid pocket base compartment additional fastenings walking pole holder straps ergonomic shoulder straps padded shoulder strap compression straps material synthetic fiber materi